This document discusses the 1979 Iran hostage crisis case between the United States and Iran that was brought before the International Court of Justice. It provides background on the seizure of the U.S. embassy in Tehran and the taking of hostages. It outlines the positions of both sides and the Court's decisions. The Court found that Iran violated international law and obligations under the Vienna Conventions. It ordered Iran to release the hostages and return control of the embassy. However, Iran did not immediately comply and the crisis was eventually resolved through negotiations resulting in the Algiers Accords.